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Finding the Fourth Proportional to 19,504.72, 29,249.80 and 7,021.36

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Solution

The fourth proportional to 19,504.72, 29,249.80 and 7,021.36 is: 10,529.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,504.72 : 29,249.80 = 7,021.36 : x
  2. Step 2: Convert to fraction form
    19,504.72/29,249.80 = 7,021.36/x
  3. Step 3: Cross multiply
    19,504.72x = 29,249.80 × 7,021.36
  4. Step 4: Simplify right side
    19,504.72x = 205,373,375.73
  5. Step 5: Solve for x
    x = 205,373,375.73/19,504.72
  6. Step 6: Final answer
    x = 10,529.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.